25 mm to 50 mm

50 mm to 100 mm

100 mm to 125 mm

125 mm to 150 mm

increases

decreases

first increases to a certain maximum value and then decreases

first decreases to a certain minimum value and then increases

ordinary Portland cement

low heat cement

rapid hardening cement

sulphate resisting cement

(i) and (ii)

(i)and(iv)

(ii) and (iii)

(iii) and (iv)

gypsum

calcium chloride

calcium carbonate

none of the above